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Re: [PATCH] gdb/configure: Replace hardcoded -ldl with check based on dlfcn.h availability
- From: Tom Tromey <tromey at redhat dot com>
- To: Pavel Chupin <pavel dot v dot chupin at gmail dot com>
- Cc: Mark Kettenis <mark dot kettenis at xs4all dot nl>, gdb-patches at sourceware dot org
- Date: Tue, 14 May 2013 13:00:10 -0600
- Subject: Re: [PATCH] gdb/configure: Replace hardcoded -ldl with check based on dlfcn.h availability
- References: <CANwJu1-LGhEaeA3Mmi37UkLZOAqEFpzFpKaKzL3MVA2WORdR7Q at mail dot gmail dot com> <CANwJu18MP86hi3etqskPSR3Pt6tPEZCSndzW2No_9ZHEig0AHQ at mail dot gmail dot com> <201305061230 dot r46CU0P4006086 at glazunov dot sibelius dot xs4all dot nl> <CANwJu1_HerKDCXB4gWAXMQY5TBe++X1A2bFSPcj+xg+MGnYQtA at mail dot gmail dot com>
Mark> The fix isn't quite right. OpenBSD for example has <dlfcn.h> but no
Mark> libdl; dlopen(3) and friends live in libc.
Pavel> Hi Mark,
Pavel> Thanks for your comments. Please see new patch attached.
Pavel> - LIBS="-ldl $LIBS"
Pavel> + AC_CHECK_LIB(dl, dlopen)
I think it is probably better to use AC_SEARCH_LIBS.
Tom